/* SPDX-License-Identifier: GPL-2.0 */ #ifndef GPIB_PROTO_INCLUDED #define GPIB_PROTO_INCLUDED #include <linux/fs.h> int ibopen(struct inode *inode, struct file *filep); int ibclose(struct inode *inode, struct file *file); long ibioctl(struct file *filep, unsigned int cmd, unsigned long arg); void os_start_timer(struct gpib_board *board, unsigned int usec_timeout); void os_remove_timer(struct gpib_board *board); void init_gpib_board(struct gpib_board *board); static inline unsigned long usec_to_jiffies(unsigned int usec) { unsigned long usec_per_jiffy = 1000000 / HZ; return 1 + (usec + usec_per_jiffy - 1) / usec_per_jiffy; }; int serial_poll_all(struct gpib_board *board, unsigned int usec_timeout); void init_gpib_descriptor(struct gpib_descriptor *desc); int dvrsp(struct gpib_board *board, unsigned int pad, int sad, unsigned int usec_timeout, u8 *result); int ibcac(struct gpib_board *board, int sync, int fallback_to_async); int ibcmd(struct gpib_board *board, u8 *buf, size_t length, size_t *bytes_written); int ibgts(struct gpib_board *board); int ibonline(struct gpib_board *board); int iboffline(struct gpib_board *board); int iblines(const struct gpib_board *board, short *lines); int ibrd(struct gpib_board *board, u8 *buf, size_t length, int *end_flag, size_t *bytes_read); int ibrpp(struct gpib_board *board, u8 *buf); int ibrsv2(struct gpib_board *board, u8 status_byte, int new_reason_for_service); int ibrsc(struct gpib_board *board, int request_control); int ibsic(struct gpib_board *board, unsigned int usec_duration); int ibsre(struct gpib_board *board, int enable); int ibpad(struct gpib_board *board, unsigned int addr); int ibsad(struct gpib_board *board, int addr); int ibeos(struct gpib_board *board, int eos, int eosflags); int ibwait(struct gpib_board *board, int wait_mask, int clear_mask, int set_mask, int *status, unsigned long usec_timeout, struct gpib_descriptor *desc); int ibwrt(struct gpib_board *board, u8 *buf, size_t cnt, int send_eoi, size_t *bytes_written); int ibstatus(struct gpib_board *board); int general_ibstatus(struct gpib_board *board, const struct gpib_status_queue *device, int clear_mask, int set_mask, struct gpib_descriptor *desc); int io_timed_out(struct gpib_board *board); int ibppc(struct gpib_board *board, u8 configuration); #endif /* GPIB_PROTO_INCLUDED */